Legal analysis: (1) If it is signed within the scope of agency, the legal liability shall be borne by the client; (2) If the agent has no power of attorney, exceeds the power of attorney or the power of attorney terminates the signing of the offspring, it will not be effective for the principal without ratification by the principal; If the loss is caused by the signing of the agent, it needs to bear the corresponding liability for compensation.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 162 A civil juristic act carried out by an agent in the name of the principal within the scope of his agency authority is effective for the principal.

Article 168 An agent shall not engage in civil legal acts in the name of the principal or in his own name, except with the consent or ratification of the principal. An agent shall not, in the name of the principal, carry out a civil juristic act at the same time with other people he represents, except with the consent or ratification of the principal.